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   <div id="projectname">gbmath
   &#160;<span id="projectnumber">v0.051</span>
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   <div id="projectbrief">c++ math library</div>
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<a href="line2d_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;﻿</div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#ifndef __GBMATH_H__</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor"></span><span class="preprocessor">    #error  DO NOT INCLUDE THIS FILE. USE:   #include &lt;gbmath/_gbmath.h&gt;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160; </div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160; </div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="keyword">namespace </span>gbmath</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;{</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div>
<div class="line"><a name="l00020"></a><span class="lineno"><a class="code" href="classgbmath_1_1line2d.html">   20</a></span>&#160;    <span class="keyword">class </span><a class="code" href="classgbmath_1_1line2d.html" title="Line in 2d by two points. ">line2d</a> </div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;    {</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;    <span class="keyword">public</span>:</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;    </div>
<div class="line"><a name="l00024"></a><span class="lineno"><a class="code" href="classgbmath_1_1line2d.html#a88213f34941eec77ffd84cbe682ca600">   24</a></span>&#160;         <a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a>   <a class="code" href="classgbmath_1_1line2d.html#a88213f34941eec77ffd84cbe682ca600">src</a>;</div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="code" href="classgbmath_1_1line2d.html#ac8f71a79167222b38daa1b35c3fefb68">   25</a></span>&#160;         <a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a>   <a class="code" href="classgbmath_1_1line2d.html#ac8f71a79167222b38daa1b35c3fefb68">dest</a>;</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno"><a class="code" href="classgbmath_1_1line2d.html#a94f550246f89a7759c387a3327b00f2d">   27</a></span>&#160;        <span class="keyword">inline</span> <a class="code" href="classgbmath_1_1line2d.html#a94f550246f89a7759c387a3327b00f2d">line2d</a>() { }</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;</div>
<div class="line"><a name="l00029"></a><span class="lineno"><a class="code" href="classgbmath_1_1line2d.html#a2269c2d24eb9c595e36b4f00470d5eee">   29</a></span>&#160;        <span class="keyword">inline</span> <a class="code" href="classgbmath_1_1line2d.html#a2269c2d24eb9c595e36b4f00470d5eee">line2d</a>(<span class="keyword">const</span> <a class="code" href="classgbmath_1_1line2d.html" title="Line in 2d by two points. ">line2d</a>&amp; a) </div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;        {</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;            *<span class="keyword">this</span> = a; </div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;        }</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="code" href="classgbmath_1_1line2d.html#a05353c700cffe8499492097943b5805c">   34</a></span>&#160;        <span class="keyword">inline</span> <a class="code" href="classgbmath_1_1line2d.html#a05353c700cffe8499492097943b5805c">line2d</a>(<span class="keyword">const</span>  <a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a>&amp; _src, <span class="keyword">const</span>  <a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a>&amp; _dest)</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;        {</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;           <a class="code" href="classgbmath_1_1line2d.html#a88213f34941eec77ffd84cbe682ca600">src</a>  = _src;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;           <a class="code" href="classgbmath_1_1line2d.html#ac8f71a79167222b38daa1b35c3fefb68">dest</a> = _dest;</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;        }</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;</div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="code" href="classgbmath_1_1line2d.html#ac98f6441aeb863faca901889c1d682a1">   40</a></span>&#160;        <a class="code" href="classgbmath_1_1normal2.html" title="direction / normal in 2-dimensional space. Higher level than a vector. Always normalized. ">normal2</a> <a class="code" href="classgbmath_1_1line2d.html#ac98f6441aeb863faca901889c1d682a1">direction</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;            <a class="code" href="classgbmath_1_1normal2.html" title="direction / normal in 2-dimensional space. Higher level than a vector. Always normalized. ">normal2</a> res = (<a class="code" href="classgbmath_1_1line2d.html#ac8f71a79167222b38daa1b35c3fefb68">dest</a> - <a class="code" href="classgbmath_1_1line2d.html#a88213f34941eec77ffd84cbe682ca600">src</a>);</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;            <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        }</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="code" href="classgbmath_1_1line2d.html#a4035e5ed49a9af2cc2b91b547ed87926">   47</a></span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classgbmath_1_1line2d.html#a4035e5ed49a9af2cc2b91b547ed87926">set</a>(<span class="keyword">const</span>  <a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a>&amp; _src,  <a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a>&amp; _dest)</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        {</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;            <a class="code" href="classgbmath_1_1line2d.html#a88213f34941eec77ffd84cbe682ca600">src</a>  = _src;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;            <a class="code" href="classgbmath_1_1line2d.html#ac8f71a79167222b38daa1b35c3fefb68">dest</a> = _dest;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;        }</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        <a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a>  <a class="code" href="classgbmath_1_1line2d.html#ab6904fd001252f6c37b47fd45faeefbd">project_point</a>( <span class="keyword">const</span> <a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a>&amp; pnt );</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        <span class="keywordtype">bool</span>  <a class="code" href="classgbmath_1_1line2d.html#a55d38a7dd4a9f579087d668d12b54abf">IsIntersectCircle</a>(<span class="keywordtype">float</span>* ps0, <span class="keywordtype">float</span>* ps1,   <span class="keyword">const</span> <a class="code" href="classgbmath_1_1_circle.html" title="circle in two-dimensional space ">Circle</a>&amp; cir );</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        <span class="keywordtype">bool</span>  <a class="code" href="classgbmath_1_1line2d.html#ae0690dce5a160bb5b48cd163b8cd2360">IsIntersectCircleContactPoints</a>(<a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a>&amp; pContact1, <a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a>&amp; pContact2, <span class="keyword">const</span> <a class="code" href="classgbmath_1_1_circle.html" title="circle in two-dimensional space ">Circle</a>&amp; cir );</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    };</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;}</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;</div>
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